Time Left - 08:00 mins
DFCCIL EE Electrical Machines QUIZ - 1
Attempt now to get your rank among 432 students!
If a transformer core has air gaps, then
A transformer having 1000 turns is connected to a 250 V ac supply for a secondary voltage of 400 V. Then the number of secondary turns should be
A transformer has hysteresis loss of 30 Watts at 240 V 60 Hz supply. The hysteresis loss at 200V, 50 Hz supply is
A transformer has a reactance of 0.1 pu and negligible resistance. What is its voltage regulation at full load, and 0.8 power factor lagging?
Two 40 kVA single phase transformer are connected in open delta to supply a 230 V balanced 3-phase load. What is the total load that can be supplied without overloading either transformer?
A 230/2300 V, Y/Δ, 3-phase transformer is rated at 230 KVA. Its rated secondary current/phase is
- 432 attempts
- 1 upvote
- 1 comment
Tags :AE & JE Exams
Jun 24AE & JE Exams